.nav{
    .banner{
        width: 100%;
        height: 300px;
        background-color: pink;
        font-size: 24px;
        text-align: center;
        line-height: 300px;
    }
    .list{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
        .item{
            width: 18%;
            margin: 10px 2px;
            img{
                width: 100%;
                border-radius: 50%;
            }
            .text{
                text-align: center;
            }
        }
    }
    .gitbanner{
        height: 100px;
        width: 100%;
        background-color: aquamarine;
        text-align: center;
        line-height: 100px;
    }
}